<Canvas
    xmlns="http://schemas.microsoft.com/client/2007"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
  <!--emphasize Ellipse x:Name="ellipse"-->
  <Ellipse x:Name="ellipse"
      Height="20" Width="20" Canvas.Left="30" Canvas.Top="30"
      Fill="black" />
</Canvas>
